I would not go with a 9 node cluster, applications very often do not scale that well and it would not be at all unknown for a 9 node cluster to actually be slower than a 2 node cluster. On Mon, Oct 6, 2008 at 1:35 PM, Terrian, Thomas J Mr CTR DLA J6DIB < Tom.Terrian.ctr@xxxxxxx> wrote: > Are these three production databases? YES > > Any development or staging to worry about? YES, they are on other > machines on one cluster. > > Does any individual database have a higher profile than the others? Not > sure what you are asking. > > Does it need to be alone for political/business reasons? Good question, > right now each program manager wants his own cluster. We are looking to > see if it may be better for the organization to just set up one > production cluster. > > Do any of these databases hold a warehouse? Are any a reporting only > database? NO, OLTP. > > > > -----Original Message----- > From: Mercadante, Thomas F (LABOR) > [mailto:Thomas.Mercadante@xxxxxxxxxxxxxxxxx] > Sent: Monday, October 06, 2008 2:26 PM > To: Terrian, Thomas J Mr CTR DLA J6DIB; oracle-l@xxxxxxxxxxxxx > Subject: RE: RAC newbie question > > Tom, > > Are these three production databases? > Any development or staging to worry about? > Does any individual database have a higher profile than the others? > Does it need to be alone for political/business reasons? > Do any of these databases hold a warehouse? Are any a reporting only > database? > > The above in my mind are reasons to separate things a little bit. Being > asked these questions now seems like putting the cart before the horse. > A plan should have been developed before the arrival of the equipment! > LOL!! > > If your answer's to the above is that all things being equal, all three > databases are equal to each other, then I would make one big cluster I > think. You could then build it slowly - add one cluster at a time - and > learn as you do. > > Just my 2 cents. I'm sure someone is going to violently disagree with > me. > > Hope this helps. > > Tom > > -----Original Message----- > From: oracle-l-bounce@xxxxxxxxxxxxx > [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Terrian, Thomas J Mr > CTR DLA J6DIB > Sent: Monday, October 06, 2008 2:10 PM > To: oracle-l@xxxxxxxxxxxxx > Subject: RAC newbie question > > I am curious on your thoughts on this.......we have 3 unrelated > databases and 9 boxes to put them on. > > Would you recommend one 9 node cluster and put them on that one or three > 3 node clusters (one for each database)? > > We are looking at the pros/cons of each. Does anyone have any thought > either way? > > -- > //www.freelists.org/webpage/oracle-l > > > > > > > -- > //www.freelists.org/webpage/oracle-l > > > -- Andrew W. Kerber 'If at first you dont succeed, dont take up skydiving.'